etnaviv/ci: drop duplicate line in etnaviv files list

Signed-off-by: Eric Engestrom <eric@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24106>

.gitlab-ci/test-source-dep.yml

@@ -948,7 +948,6 @@
       - src/gallium/winsys/etnaviv/**/*
       - src/gallium/auxiliary/renderonly/**/*
       - src/gallium/winsys/kmsro/**/*
-      - src/gallium/winsys/etnaviv/**/*
       when: on_success
 
 .etnaviv-manual-rules: